Mihalko and Sudilo's syndicate

The names of presidents of Novgorod Republic 12-14 cent. ("posadnik") sound like a names of russian mafia in Hollywood movie:

Petrilo Mikulchic
Ivanko Pavlovich
Iakun Miroslavich
Sudilo Ivankovich
Nizhata Tverdiatich

Streets of old Novgorod

Zhiroslav Ivankovich
Mihalko Stepanovich
Tverdislav Mihalkovich
Kosniatin Moiseevich
Miroslav Guriatinich

Russian nobleman 12-14 c

 In some way it was a sort of mafia of 14 century: 300 members of noble families, trading with Ganza and controlling a huge territory of Russian North.